Cryptography Jobs

29 were found based on your criteria

  • Hourly – Less than 1 week – 10-30 hrs/week – Posted
    We have some code built for Mac OS X that leverages the Mac Keychain for key management, signing and encoding/decoding data in the Cryptographic Message Syntax format. We are porting the code to POSIX and Win32, so the Keychain code has got to go. The job is to replace the functionality leveraging OpenSSL but keeping local storage secure. The Mac code is less than 200 lines. By the way we have a really cool little project, and more work ...
  • Fixed-Price – Est. Budget: $250.00 Posted
    We need a Java based solution to enable us to encrypt / decrypt text and/or zip files based on the PGP protocols to exchange with our clients. Keys to be used may be either DH/DSS or RSA format with key lengths up to 2048 (depends on what our clients supply to us and are able to accept) The solution will be integrated into our Java (and Groovy) based Automation system so must run without any requirement for manual intervention ...
  • Hourly – Less than 1 week – 10-30 hrs/week – Posted
    I require a C library that is a port of an existing Java library. The library provides an API that is used by a client/server system for authenticating, using EC public/private keys and ECDH to perform mutual authentication. https://github.com/hypersocket/QuiRKEY You will use OpenSSL to provide the same compatible functionality to the Java library. You will need to provide a compilable library, including makefile and tests to prove it works with the Java library.
  • Hourly – More than 6 months – 10-30 hrs/week – Posted
    Planning and detailing application architecture to work on top of MaidSafe. I need someone to outline requirements for integration with the MaidSafe platform, trouble shoot any issues and design solutions as required. Work will be ongoing with potential for profitshare or company shares if skills and enthusiasm for project is demonstrated. Necessary skills: - 7+ years experience with C++ - Understanding of information architecture - Experience with cryptography - Excellent written and verbal communications skills in English - Ability to simplify technical language - High attention ...
  • Hourly – 1 to 3 months – 30+ hrs/week – Posted
    This is a non-trivial job that is suited only to extremely capable programmers who have an excellent working knowledge of cryptography and preferably knowledge of Python. This is a challenging job. However, if you're interested in a challenge, please apply after carefully reading this description. I'm working with a professional cryptographer and researcher (who has dozens of publications) and we are working on an encrypted filesystem with particular design requirements, characteristics and constraints. I won't disclose the ...
  • Fixed-Price – Est. Budget: $450.00 Posted
    I have a modern crypter source which is no longer fud. The builder is written in vb.net and I want some changes made to it to make it into a commercial product. The changes include 1.making the stub truly unique each build so that if any stub is detected I dont need to get the source refudded. I would just need to change recrypt the same file. I will want to test this works and we will crypt ...
  • Fixed-Price – Est. Budget: $100.00 Posted
    I am looking for someone who is able to complete a short Digital/Computer Forensics Academic essay. Required skills: - Understanding of Digital Forensics - Computer Security Knowledge - Understanding of simple hard disk encryption - College/University level academic writing capability More details can be discussed privately.
  • Hourly – 3 to 6 months – Less than 10 hrs/week – Posted
    I am looking to have a bitcoin wallet chrome extension built, that will interface with a USB-HID device that we are building. We will eventually port this extension to Safari and IE, so knowledge of those platforms may come in handy. This will be a long term project, and hopefully include ongoing maintenance and improvement. Required: - Knowledge of how Bitcoin Works - Some Cryptography Required (Our device does most of the heavy lifting) - Knowledge of a proven JS framework (example: AngularJS ...
  • Fixed-Price – Est. Budget: $15.00 Posted
    Dear Freelancer, I`m looking for someone who could proof read my English articles and newsletters. $15 fixed payment for 5 days and maximum 2000 words of proof reading. Results are usually requred 1-2 hours after you have received the task. Texts are about gambling & bitcoins. All materials are meant for the mass audience and you don`t need to be an expert in these areas. Although you may need to do a little research to make relevant changes in ...
  • Fixed-Price – Est. Budget: $2,000.00 Posted
    The solution needs to process incoming e-mail, apply a rfc 3161 trusted timestamp, parse the email, check sender+recipient address(es), generate a pdf document and pkcs7 sign it, upload the e-mail in json format to amazon s3, invoke cloudsearch indexing, store e-mail metadata in rds-mysql and forward the e-mail to the intended destination using amazon-ses. I am looking for an experienced Perl developer who is interested in the combination of proven technology like Perl and its many e-mail/mime ...
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